Foreign Minister Julie Bishop said that sanctions to date had only been imposed on Russian individuals and companies but Australia could consider "other options".
Uranium mining for America's Cold War nuclear arms buildup has proved a lasting scourge on the nation's largest American Indian reservation, and one that the same government that demanded the ore has been slow to address.
Second-quarter coal production at Central Appalachia's 25 top-producing mines totaled 11.63 million tons, up about 2.9% from the 11.30 million tons produced in the same quarter a year-ago.